SPL Channel One - Recording Channel

The new model 2950 brought a facelift to one of our best-selling products. Now the new SPL design represents the common origin of our channel strips Frontliner, Channel One and Track One.
However, technically we did not change anything to continue the success of the Channel One with tried and tested quality.

The Channel One comes with all tools onboard for recording voices, instruments and digital or analog audio sources with the highest sound quality:

Transistor/tube preamplifier

SPL's De-Esser

Compressor/limiter with noise gate

EQ section

Headphone monitor

Each stage contributes to the concept as the ideal recording frontend for world-class sounds the easy way: intelligent automation ensures both intuitive and fast as well as musical operation for the finest recording results.

The preamp stage

The low-impedance Line input has a precise balancing stage for connecting studio equipment.

The low-noise, high-impedance instrument input is easily accessible on the front panel.

De-Esser

The renowned SPL De-Esser subtly yet effectively removes offending sibilants by reliably eliminating only the “S” frequencies with its unique phase-cancelling processing technology. Auto-Threshold ensures constant processing even with varying microphone distances. All you need do is to turn the knob until the sibilants are gone.

Insert (Send/Return)

The Insert (Send/Return) allows for insertion of external processors or can be used to record the pure preamplifier signal.

Compressor/Limiter

This section is based on SPL’s Double-VCA-Drive® circuitry for outstanding noise and distortion characteristics. The compressor is extremely easy to use via a single knob. But the signal-dependent automation not only allows for set and forget operation, it also grants very muscial results in any situation. Actually it is much more difficult to destroy a recording with wrong compression settings.

Noise Gate

The noise gate operates flawlessly - reverbs are recognized and not cut off.

Three band EQ

The Channel One provides a new EQ design especially optimized to process vocals, acoustic and electronic imstruments. Low, Mid Hi, and Air-Bands allow for both corrective adjustments and/or effective sound designing processing. Gadget: a distortion control might be useful sometimes to apply for decent distortions to signals that deserve it.

Headphone monitor stage

Provides an individual mix for the singer/speaker - latency problems from digital systems are avoided.

Microphone Input

Frequency response 10 Hz-100 kHz

(100 kHz = -3 dB)

Common mode rejection (@ -20 dBu) 1 kHz:

-80 dB / 10 kHz: -78 dB

THD & N Gain: A-weighted

20 dB -97.1 dBu

40 dB -91.1 dBu

65 dB -69.4 dBu

Dynamic range 118 dB

Line/Instrument Input

Frequency response 10 Hz-180 kHz

(100 kHz = -3 dB)

Common mode rejection (@ 0 dBu) 1 kHz:

-80 dB / 10 kHz: -78 dB, Line input only

Total harmonic distortion Gain (A-weighted):

5 dB -99.4 dBu

20 dB -97.2 dBu

42 dB -79 dBu

Input impedance Line: 20 kOhm / Instr.: 1 MOhm

Max. input level Line: +22 dBu / Instr.: +14 dBu

Dynamic range 119 dB

Output Data

Max. output level XLR/jack +20 dBu

Output impedance 50 Ohm

Gain Headphone Amplifier

(mic input and 0dBu output level)

-20dBu bei 25%

-10dBu bei 40%

-5dBu bei 55%

0dBu bei 70%

+5dBu bei 75%

+10dBu bei 90%

+14dBu bei 100%

Power Supply

Toroidal transformer 20 VA

Fuses 315 mA (230 V/50 Hz)

630 mA (115 V / 60 Hz)

Dimensions

Standard EIA 19”/IHE 482 x 88 x 210 mm

Weight 4.15 kg

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